1
out on a limb(expression, idiom, uncertain, unstable, doubtful)
1
pending(shaky, unlikely, unpromising)
1
perilous(adjective, delicate, uncertain, unstable, doubtful)
1
precarious(adjective, uncertain, unstable, doubtful, shaky)
1
problematic(adjective, delicate, uncertain, unstable, doubtful)
1
refutable
1
risky(adjective, delicate, uncertain, unstable, doubtful)
1
rocky(adjective, delicate, uncertain, unstable, doubtful)
1
rugged(adjective, delicate, uncertain, unstable, doubtful)
1
sensitive(adjective, delicate, uncertain, unstable, doubtful)
1
shady(shaky, unlikely, unpromising)
1
shaky(adjective, delicate, uncertain, unstable, doubtful)
1
slippery(adjective, delicate, uncertain, unstable, doubtful)
1
sneaky(shaky, unlikely, unpromising)
1
speculative(shaky, unlikely, unpromising)
1
suspect(shaky, unlikely, unpromising)
1
ticklish(adjective, delicate, uncertain, unstable, doubtful)
1
touch-and-go(shaky, unlikely, unpromising)
1
touch and go(expression, adjective, idiom, delicate, uncertain)
1
touchy(adjective, open, delicate, uncertain, unstable)
13 years ago|563 views|share |citing 
APASmart Define. (2013). impugnable thesaurus. Retrieved September 21, 2026, from https://smartdefine.org/impugnable/thesaurus/synonyms
ChicagoSmart Define. 2013. "impugnable thesaurus" https://smartdefine.org/impugnable/thesaurus/synonyms (accessed September 21, 2026).
HarvardSmart Define 2013, impugnable thesaurus, Smart Define, viewed 21 September, 2026, <https://smartdefine.org/impugnable/thesaurus/synonyms>.
MLASmart Define. "impugnable thesaurus" 28 June 2013. Web. 21 September 2026. <https://smartdefine.org/impugnable/thesaurus/synonyms>